Combination safety utility knife blade



FIG. 1 is a front elevational view of a first embodiment of a combination safety utility knife blade, showing my new design, the rear elevational view being a mirror image thereof;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a bottom plan view of a second embodiment of a combination safety utility knife blade, the front elevational view being identical to FIG. 1 and the rear elevational view being a mirror image thereof.

FIG. 4 is a front elevational view thereof, the rear elevational view being a mirror image thereof; and,

FIG. 5 is a bottom plan view thereof. 

I claim the ornamental design for a combination safety utility knife blade, as shown and described. 